cc: Merge LayerTree into the LayerTreeHost.

cc/trees/property_tree_builder.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/property_tree_builder.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <set>
@@ skipping 88 matching lines @@
     num_unclipped_descendants += data.num_unclipped_descendants;
     num_descendants_that_draw_content += data.num_descendants_that_draw_content;
   }
 };
 
 static inline bool IsRootLayer(const Layer* layer) {
   return !layer->parent();
 }
 
 static bool IsMetaInformationRecomputationNeeded(Layer* layer) {
-  return layer->GetLayerTree()->needs_meta_info_recomputation();
+  return layer->layer_tree_host()->needs_meta_info_recomputation();
 }
 
 // Recursively walks the layer tree(if needed) to compute any information
 // that is needed before doing the main recursion.
 static void PreCalculateMetaInformationInternal(
     Layer* layer,
     PreCalculateMetaInformationRecursiveData* recursive_data) {
   if (!IsMetaInformationRecomputationNeeded(layer)) {
     DCHECK(IsRootLayer(layer));
     return;
@@ skipping 13 matching lines @@
   if (layer->clip_children()) {
     size_t num_clip_children = layer->clip_children()->size();
     DCHECK_GE(recursive_data->num_unclipped_descendants, num_clip_children);
     recursive_data->num_unclipped_descendants -= num_clip_children;
   }
 
   layer->set_num_unclipped_descendants(
       recursive_data->num_unclipped_descendants);
 
   if (IsRootLayer(layer))
-    layer->GetLayerTree()->SetNeedsMetaInfoRecomputation(false);
+    layer->layer_tree_host()->SetNeedsMetaInfoRecomputation(false);
 }
 
 static void PreCalculateMetaInformationInternalForTesting(
     LayerImpl* layer,
     PreCalculateMetaInformationRecursiveData* recursive_data) {
   if (layer->test_properties()->clip_parent)
     recursive_data->num_unclipped_descendants++;
 
   for (size_t i = 0; i < layer->test_properties()->children.size(); ++i) {
     LayerImpl* child_layer = layer->test_properties()->children[i];
@@ skipping 1348 matching lines @@
     const Layer* outer_viewport_scroll_layer,
     const Layer* overscroll_elasticity_layer,
     const gfx::Vector2dF& elastic_overscroll,
     float page_scale_factor,
     float device_scale_factor,
     const gfx::Rect& viewport,
     const gfx::Transform& device_transform,
     PropertyTrees* property_trees) {
   property_trees->is_main_thread = true;
   property_trees->is_active = false;
-  SkColor color = root_layer->GetLayerTree()->background_color();
+  SkColor color = root_layer->layer_tree_host()->background_color();
   if (SkColorGetA(color) != 255)
     color = SkColorSetA(color, 255);
   BuildPropertyTreesTopLevelInternal(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor, viewport,
       device_transform, property_trees, color);
 #if DCHECK_IS_ON()
-  for (auto* layer : *root_layer->GetLayerTree())
+  for (auto* layer : *root_layer->layer_tree_host())
     CheckScrollAndClipPointersForLayer(layer);
 #endif
   property_trees->ResetCachedData();
 }
 
 void PropertyTreeBuilder::BuildPropertyTrees(
     LayerImpl* root_layer,
     const LayerImpl* page_scale_layer,
     const LayerImpl* inner_viewport_scroll_layer,
     const LayerImpl* outer_viewport_scroll_layer,
@@ skipping 11 matching lines @@
     color = SkColorSetA(color, 255);
   BuildPropertyTreesTopLevelInternal(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor, viewport,
       device_transform, property_trees, color);
   property_trees->ResetCachedData();
 }
 
 }  // namespace cc